Lua scripting and bug fixes — Retro Sketch - Pixel Art & Animation Steam update #824982

This update's major feature is Lua scripting. You can now automate your editing/creation of pixel art through Lua. More API functions to come soon! Please review Retro Sketche's .exe directory in Steam to see the current api files (engapi.lua and rsapi.lua) as well as a couple of example files. Features Lua plugin support added, see executable directory for examples files (drag and drop into window) Added ability to undo/redo plugin execution Added feadback link to help menu Window title now has (*) when there are unsaved changes Drag and drop of PXL and Lua files are supported Added loading of project files when dropped into the window Added "View->Project files" to menu bar to open project storage directory Added initial Lua code for drawing, project queries, and canvas creation Fixing potential load file crash when upgrading from older versions Fixing 24 fps limit in animation window,...